AT&T steps up 850MHz spectrum upgrade... - CNET News
 IntoMobile | AT&T steps up 850MHz spectrum upgrade for enhanced 3G CNET News AT&T has taken a lot of flack from iPhone users about the trouble its network has handling the iPhone's data-heavy needs. ... AT&T Improves 3G Reception iPhone Owners: Do You Think AT&T Is Doing Better? Apple iPhone 3G Consumer Complaints Abound |